Exercising stick



FIG. 1 is a front perspective view of the exercising stick the broken line showing the man is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a fragmentary front elevational view of one end of the exercising stick, the sides rear and opposite end appearing the same; and,

FIG. 3 is a top plan view of FIG. 1, the bottom view appears the same. 

The ornamental design for an exercising stick, as shown and described. 